NVIDIA GeForce RTX 2080 Mobile vs NVIDIA GeForce GTX 660M Mac Edition

VS

NVIDIA GeForce RTX 2080 Mobile NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Mobile and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 Mobile 's Advantages

Released 5 years and 9 months late

Boost Clock1590MHz

Larger VRAM bandwidth (448.0GB/s vs 80.00GB/s)

2560 additional rendering cores

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Mobile +1182%

9.362 TFLOPS

GeForce GTX 660M Mac Edition

0.73 TFLOPS

GeForce RTX 2080 Mobile

VS

GeForce GTX 660M Mac Edition

Graphics Card

Jan 2019

Release Date

Apr 2013

GeForce 20 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1380 MHz

Base Clock

-

1590 MHz

Boost Clock

-

1750 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

80.00GB/s

Render Config

46

SM Count

-

Compute Units

-

2944

Shading Units

384

184

TMUs

32

64

ROPs

16

368

Tensor Cores

-

46

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

Theoretical Performance

101.8 GPixel/s

Pixel Rate

7.600 GPixel/s

292.6 GTexel/s

Texture Rate

30.40 GTexel/s

18.72 TFLOPS

FP16 (half)

-

9.362 TFLOPS

FP32 (float)

729.6 GFLOPS

292.6 GFLOPS

FP64 (double)

30.40 GFLOPS

Graphics Processor

TU104

GPU Name

GK107

N18E-G3-A1

GPU Variant

-

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

13.6 billion

Transistors

1.27 billion

545 mm²

Die Size

118 mm²

Board Design

150W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

7.5

CUDA

3.0

6.6

Shader Model

5.1

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